import java.util.Arrays;

public class Text {
    public static void main(String[] args) {
        int[] array={1,2,3,4,5,6};
        int left=0;
        int right=array.length-1;
        while(left<right){
            while(left<right && array[left]%2 != 0){
                left++;
            }
            while(left<right && array[right]%2 == 0){
                right--;
            }
            int tmp = array[left];
            array[left] = array[right];
            array[right] = tmp;
        }
        System.out.println(Arrays.toString(array));
    }
    public static void transform(int[] array) {
        for (int i = 0; i < array.length; i++) {
            array[i]=array[i]*2;
        }
    }
    public static void main1(String[] args) {
        int[] array={1,2,3,4};
        transform(array);
        System.out.println(Arrays.toString(array));
    }
}
